CME 19980421

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Table 1 - General Information

CME ID
Time (UT)
PA (deg)
Speed (km/sec)
Acceleration (m/sec2)
Mass (g)
Type II RB
X Flare
19980421.190335.p292g
19:03
292
527
6.1
1.9e+16
No
No


Table 2 - UVCS Observation Sequence

FITS filename
PA (deg)
T i (UT)
Tf (UT)
Height (Rsun)
Slit W. (arcsec)
Exp. Time (sec)
d98.04.21.22:13:16.lya.dat
288
22:15:18
22:45:18
1.50
14
200


22:48:10
23:18:10
1.70
14
200


23:21:08
00:01:08
1.90
14
200


00:05:36
01:05:36
2.20
14
200


01:11:03
02:31:03
2.50
14
200


02:37:29
04:17:29
3.00
14
200

UVCS Slit Position

MOVIE of UVCS Slit on LASCO Images


Table 3 - UVCS Observation Wavelength Range

FITS filename
Wave Min (A)
Wave Max (A)
d98.04.21.22:13:16.lya.dat
1236.60
1251.40

1202.80
1232.30


Table 4 - UV Properties

First Obs. Max blue-shift (km/sec) Max red-shift (km/sec) Detected at (Rsun) Lines
1998/04/21 23:21 1.89, 2.23, 2.56, 3.11 HILya1216

Images

Intensity Images

HI Ly-alpha intensity difference at different heights


Interpretation

Front Yes
Void Yes
Shock No
Current Sheet No
Prominence No
Flare O VI No
Leg No
Helix No

Comments

No CME signature in OVI lines

Last Update Tue Aug 12 17:45:36 2008